PM7 Accuracy

tetramethoxymethane   1386 Tetramethoxymethane

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    #  Species Formula
  1376 Formic acid, dimer (Geo)C2H4O4
  1377 Formic acid, dimerC2H4O4
  1378 DioxybismethanolC2H6O4
  1379 (C2H4)BO4H2, anion (Geo)H6BC2O4
  1380 1,4-Dioxan-2,5-dioneC4H4O4
  1381 Dimethyl oxalateC4H6O4
  1382 1,3,5,7-TetroxaneC4H8O4
  1383 Dimethyl malonateC5H8O4
  1384 Ethylmalonic acidC5H8O4
  1385 Methylene diacetateC5H8O4
  1386 Tetramethoxymethane C5H12O4
  1387 1,1-DiacetoxyethaneC6H10O4
  1388 Dimethyl methylmalonateC6H10O4
  1389 2,2-DiacetoxypropaneC7H12O4
  1390 Diethyl malonateC7H12O4
  1391 Dimethyl dimethylmalonateC7H12O4
  1392 3,5,7,9-TetraoxyundecaneC7H16O4
  1393 12-Crown-4C8H16O4
  1394 5,8-Dihydroxy-1,4-naphthalenedioneC10H6O4
  1395 Dimethyl isophthalateC10H10O4
  1396 Dimethyl phthalateC10H10O4


DHf: -173.8 kcal/mol,     REF: NIST Chemistry WebBook, NIST Standard Reference Database, No. 69; W. G. Mallard, P. J. Linstrom, Eds., National Institute of Standards and Technology, Gaithersberg, http://webbook.nist.gov/chemistry.
  
 PM7
Tetramethoxymethane
 H=-173.8 HR=NIST
  C    -0.00475527  1   0.02323378  1   0.00084146  1
  O     1.25341943  1   0.30901426  1   0.54663679  1
  C     2.31541297  1   0.28322106  1  -0.39594088  1
  O    -0.95781404  1   0.15105587  1   1.01953047  1
  C    -0.91605480  1   1.39683941  1   1.70022905  1
  O    -0.23068577  1   0.91346307  1  -1.05645852  1
  C    -1.43586142  1   0.67302537  1  -1.76863784  1
  O    -0.08313628  1  -1.28083786  1  -0.50564142  1
  C     0.00593025  1  -2.29286093  1   0.48674935  1
  H     2.36075113  1  -0.68641060  1  -0.90283900  1
  H     2.20015174  1   1.09587546  1  -1.12162553  1
  H     3.20003781  1   0.44249429  1   0.23277943  1
  H     0.01181631  1   1.48258932  1   2.27643911  1
  H    -1.01330567  1   2.22799587  1   0.99403716  1
  H    -1.78664896  1   1.33900698  1   2.36495154  1
  H    -2.29691935  1   0.70918174  1  -1.09358036  1
  H    -1.46069026  1   1.50041475  1  -2.48779135  1
  H    -1.38758532  1  -0.29233676  1  -2.28557465  1
  H     0.91238607  1  -2.16826868  1   1.08858497  1
  H    -0.88682675  1  -2.27723809  1   1.12177880  1
  H     0.04825455  1  -3.21319402  1  -0.10813088  1